content: /*
   * Copyright 2011-2016 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package ix;
  
  import java.util.Iterator;
  import java.util.concurrent.Callable;
  
  /**
   * Repeatedly call a Callable indefinitely.
   *
   * @param <T> the value type
   */
  final class IxRepeatCallable<T> extends Ix<T> implements Iterator<T> {
  
      final Callable<T> callable;
  
      IxRepeatCallable(Callable<T> callable) {
          this.callable = callable;
      }
  
      @Override
      public Iterator<T> iterator() {
          return this;
      }
  
      @Override
      public boolean hasNext() {
          return true;
      }
  
      @Override
      public T next() {
          return checkedCall(callable);
      }
  
      @Override
      public void remove() {
          throw new UnsupportedOperationException();
      }
  }
  